2019407540

素因数分解:

$2^2\times 5^1\times {\mathrm{100970377}}^1$

素因数の和:100970386

約数の個数: 12

約数和(自身を含む): 4240755876

約数和(自身を除く): 2221348336

約数列:

[1, 2, 4, 5, 10, 20, 100970377, 201940754, 403881508, 504851885, 1009703770, 2019407540]

約数ペア:

[(1, 2019407540), (2, 1009703770), (4, 504851885), (5, 403881508), (10, 201940754), (20, 100970377)]